EP0369788B1 - Feuchtigkeitsfester Film für medizinische Anwendung - Google Patents
Feuchtigkeitsfester Film für medizinische Anwendung Download PDFInfo
- Publication number
- EP0369788B1 EP0369788B1 EP89311883A EP89311883A EP0369788B1 EP 0369788 B1 EP0369788 B1 EP 0369788B1 EP 89311883 A EP89311883 A EP 89311883A EP 89311883 A EP89311883 A EP 89311883A EP 0369788 B1 EP0369788 B1 EP 0369788B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- layer
- flexible
- film
- ethylene propylene
- propylene copolymer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/412—Transparent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2323/00—Polyalkenes
- B32B2323/04—Polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2323/00—Polyalkenes
- B32B2323/04—Polyethylene
- B32B2323/043—HDPE, i.e. high density polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2323/00—Polyalkenes
- B32B2323/04—Polyethylene
- B32B2323/046—LDPE, i.e. low density polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2323/00—Polyalkenes
- B32B2323/10—Polypropylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2367/00—Polyesters, e.g. PET, i.e. polyethylene terephthalate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2439/00—Containers; Receptacles
- B32B2439/80—Medical packaging
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1334—Nonself-supporting tubular film or bag [e.g., pouch, envelope, packet, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2813—Heat or solvent activated or sealable
- Y10T428/2817—Heat sealable
- Y10T428/2826—Synthetic resin or polymer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31786—Of polyester [e.g., alkyd, etc.]
- Y10T428/31797—Next to addition polymer from unsaturated monomers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31909—Next to second addition polymer from unsaturated monomers
- Y10T428/31913—Monoolefin polymer
Definitions
- Still another object of the present invention is to provide a film suitable for the packaging of medical solutions characterized by high mechanical strength.
- polymer generally includes homopolymers, copolymers and terpolymers and blends and modifications thereof.
- ethylene propylene copolymer is used herein to refer to a copolymer formed from polypropylene monomer and minor amounts, usually less than 6%, of ethylene.
- modified and the like is used herein to refer to a polymeric material in which some or all of the substituents are replaced by other materials, providing a change in properties such as improved flexibility or elastomeric properties.
- modified ethylene propylene copolymer the modification is provided by a rubbery block copolymer such as commercially available under the trade-mark Kraton from the Shell Chemical Company.
- Adhesive layer 42 is preferably made from a blend of modified ethylene propylene copolymer and very low density polyethylene.
- a suitable blend is for example a blend of 50% of the modified ethylene propylene copolymer (such as the Cosden Z4650 material) and 50% of the very low density polyethylene (an especially suitable commercial resin is DEFD 1137 available from Dow Chemical Company).
- Other polymeric materials or blends of polymeric materials may also be used for interior layer 42 to the extent that the moisture barrier, flexibility and other essential characteristics of the film material are not substantially affected, and provided of course that sufficient adhesion is provided between intermediate layer 44 and sealant layer 40.
- Intermediate layer 48 may be the same VLDPE as in layer 44; or a different VLDPE material.
- Various polymeric materials or blends of materials may be used for adhesive layer 50 provided that the material used imparts sufficient adhesion between outer layer 52 and intermediate layer 48.
- the preferred material for layer 50 is a modified ethylene vinyl acetate copolymer with a carboxylic acid or acid anhydride functionality.
- An especially preferred commercial resin is Plexar 3382 available from du Pont.
- Another suitable commercial modified EVA resin is CXA E162 available from du Pont.
- An EMA-based anhydride & modified polymeric adhesive may also be used.
- the films as described are preferably manufactured by a cast coextrusion process.
- Example 9 the multi-layer film comprised the same construction as the films of Examples 3 through 8, but produced at a pinch roll speed of 7.9 m per minute (26 feet per minute) to make a 0.38 mm (15 mil) tubing.
Landscapes
- Laminated Bodies (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Wrappers (AREA)
Claims (7)
- Eine flexible Folie enthaltend:(a) eine Kernschicht aus hochdichtem Polyethylen;(b) zwei Zwischenschichten enthaltend Polyethylen sehr niederer Dichte, wobei jede Schicht an eine jeweilige Oberfläche der Kernschicht gebunden ist;(c) eine Außenschicht enthaltend ein Ethylenpropylen-Copolymer oder flexiblen Copolyester;(d) eine Abschlußschicht enthaltend ein wärmeverschweißbares polymeres Material; und(e) zwei polymere Klebeschichten, wobei jede Schicht zwischen einer Zwischenschicht und der Außen- respektive der Abschlußschicht angeordnet ist und die Zwischenschicht an die Außen- respektive die Abschlußschicht bindet.
- Eine flexible Folie nach Anspruch 1, in welcher die Abschlußschicht ein polymeres Material ausgewählt aus der Gruppe bestehend aus Ethylenpropylen-Copolymer, modifiziertem Ethylenpropylen-Copolymer und flexiblem Copolyester enthält.
- Eine flexible Folie nach Anspruch 2, in welcher die Abschlußschicht Ethylenpropylen-Copolymer oder modifiziertes Ethylenpropylen-Copolymer enthält und die Außenschicht flexiblen Copolyester enthält.
- Eine flexible Folie nach Anspruch 1, 2 oder 3, in welcher die an die Abschlußschicht angrenzende Klebeschicht eine Mischung aus modifiziertem Ethylenpropylen-Copolymer und Polyethylen sehr niederer Dichte ist.
- Eine flexible Folie nach einem der vorhergehenden Ansprüche, in welcher die an die Außenschicht angrenzende Klebeschicht ein Anhydrid-modifiziertes polymeres Klebemittel ist.
- Eine flexible Folie nach Anspruch 5, in welcher die an die Außenschicht angrenzende Klebeschicht ein Anhydrid-modifiziertes polymeres Klebemittel auf EVA-Basis enthält.
- Eine flexible Folie nach Anspruch 5, in welcher die an die Außenschicht angrenzende Klebeschicht ein Anhydrid-modifiziertes polymeres Klebemittel auf EMA-Basis enthält.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US273386 | 1988-11-17 | ||
US07/273,386 US4891253A (en) | 1988-11-17 | 1988-11-17 | Moisture barrier medical film |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0369788A2 EP0369788A2 (de) | 1990-05-23 |
EP0369788A3 EP0369788A3 (en) | 1990-09-26 |
EP0369788B1 true EP0369788B1 (de) | 1996-02-14 |
Family
ID=23043707
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89311883A Expired - Lifetime EP0369788B1 (de) | 1988-11-17 | 1989-11-16 | Feuchtigkeitsfester Film für medizinische Anwendung |
Country Status (10)
Country | Link |
---|---|
US (1) | US4891253A (de) |
EP (1) | EP0369788B1 (de) |
JP (1) | JP2895116B2 (de) |
AU (1) | AU615808B2 (de) |
BR (1) | BR8905826A (de) |
CA (1) | CA1313348C (de) |
DE (1) | DE68925674T2 (de) |
DK (1) | DK175437B1 (de) |
IE (1) | IE71045B1 (de) |
ZA (1) | ZA898694B (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5004647A (en) * | 1986-03-21 | 1991-04-02 | W. R. Grace & Co.-Conn. | Oxygen barrier biaxially oriented film |
DE69113449T2 (de) * | 1991-05-23 | 1996-03-07 | Standipack Private Ltd | Lagerungs- und Ausgabebeutel für Schmieröl. |
US6524720B1 (en) * | 1992-09-18 | 2003-02-25 | Cryovac, Inc. | Moisture barrier film |
TW294632B (de) * | 1993-02-05 | 1997-01-01 | Otsuka Pharma Factory Inc | |
US5434007A (en) * | 1993-09-20 | 1995-07-18 | Dow Corning Corporation | Silane coated flavor/aroma barrier film |
US5372880A (en) * | 1993-05-14 | 1994-12-13 | Dow Corning Corporation | Barrier film for packaging |
EP0706455B1 (de) | 1993-06-24 | 2003-08-27 | American National Can Company | Mehrschichtige strukturen aus single-site katalysierten polymeren |
US7316833B1 (en) | 1993-06-24 | 2008-01-08 | Penchiney Emballage Flexible Europe | Multi-layer thermoplastic films and packages made therefrom |
US5437595A (en) * | 1993-07-08 | 1995-08-01 | W. R. Grace & Co. | Method and apparatus for producing medical pouches |
US5348771A (en) * | 1993-11-19 | 1994-09-20 | Dow Corning Corporation | Method of producing an oxygen barrier coating containing trimethoxysilyl functional pentadienoate |
FR2717450B1 (fr) * | 1994-03-21 | 1996-05-15 | Oreal | Conditionnement en matériau plastique composite présentant un effet doux au toucher. |
US5614297A (en) * | 1994-05-19 | 1997-03-25 | Viskase Corporation | Polyolefin stretch film |
US5985388A (en) * | 1994-09-21 | 1999-11-16 | Showa Denko K.K. | Multi-layer transparent sealant film for laminating comprising high density polyethylene layer and packaging flim and pouch using the same |
US5695840A (en) * | 1995-03-22 | 1997-12-09 | W. R. Grace & Co.-Conn. | Films for medical solution pouches |
CA2170961C (en) * | 1995-03-22 | 2005-08-09 | Walter B. Mueller | Multilayer films for packaging and administering medical solutions |
US20030232213A1 (en) * | 2002-05-23 | 2003-12-18 | William Shepler | Multilayer storage container |
US20040219198A1 (en) * | 2003-05-01 | 2004-11-04 | 3M Innovative Properties Company | Transdermal drug delivery device with multilayer backing |
US20050266190A1 (en) * | 2004-05-25 | 2005-12-01 | Zhang David D | Copolyetherester composition and multilayer structure thereof |
ATE527531T1 (de) * | 2004-06-18 | 2011-10-15 | Covance Inc | Gefriergewebe-mikroarray |
US7282258B2 (en) * | 2005-05-02 | 2007-10-16 | Pliant Corporation | Multilayer sealable film having a temperature-resistant layer therein |
US8808595B2 (en) * | 2009-04-07 | 2014-08-19 | Cryovac, Inc. | Multilayer film for medical solution pouches having reduced proficiency for forming bubbles |
CN103052411B (zh) | 2010-08-05 | 2016-04-20 | 科洛普拉斯特公司 | 用于包装目标的柔性水蒸汽阻隔多层管 |
CN103052412B (zh) | 2010-08-05 | 2016-04-20 | 科洛普拉斯特公司 | 用于包装目标的柔性的水蒸汽阻隔管 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54135860A (en) * | 1978-04-14 | 1979-10-22 | Mitsubishi Chem Ind Ltd | Manufacturing of laminate film |
US4401536A (en) * | 1979-08-10 | 1983-08-30 | Delmed, Inc. | Biocompatible, steam-sterilizable irradiated articles comprised of ethylene copolymer and polypropylene blends |
JPS5662151A (en) * | 1979-10-26 | 1981-05-27 | Sumitomo Chemical Co | High transparent reinforced film |
US4491598A (en) * | 1983-02-07 | 1985-01-01 | American Can Company | Package having oil-containing product |
CA1241886A (en) * | 1983-04-13 | 1988-09-13 | Peter W. Field | Enema bag |
US4643926A (en) * | 1985-04-29 | 1987-02-17 | W. R. Grace & Co., Cryovac Div. | Flexible medical solution pouches |
EP0216509B1 (de) * | 1985-08-23 | 1991-09-18 | Showa Denko Kabushiki Kaisha | Beutel für medizinische Zwecke |
FI73386C (fi) * | 1985-09-25 | 1987-10-09 | Wihuri Oy | En stark aongsteriliserbar maongskiktsfolie och daerav framstaellda foerpackningar foer fysiologiska loesningar. |
US4720427A (en) * | 1985-10-28 | 1988-01-19 | Mobil Oil Corporation | Oriented multi-layer heat sealable film |
US4749616A (en) * | 1986-06-20 | 1988-06-07 | Mobil Oil Corporation | Heat sealable aqueous latex coating composition for polymer film |
US4788105A (en) * | 1986-09-09 | 1988-11-29 | W. R. Grace & Co. | Oxygen barrier laminates |
CA1324749C (en) * | 1987-04-10 | 1993-11-30 | Vincent Wayne Herran | Flexible stretch/shrink film |
-
1988
- 1988-11-17 US US07/273,386 patent/US4891253A/en not_active Expired - Lifetime
-
1989
- 1989-08-04 CA CA000607559A patent/CA1313348C/en not_active Expired - Fee Related
- 1989-11-14 ZA ZA898694A patent/ZA898694B/xx unknown
- 1989-11-15 AU AU44721/89A patent/AU615808B2/en not_active Ceased
- 1989-11-16 IE IE366789A patent/IE71045B1/en not_active IP Right Cessation
- 1989-11-16 DE DE68925674T patent/DE68925674T2/de not_active Expired - Fee Related
- 1989-11-16 EP EP89311883A patent/EP0369788B1/de not_active Expired - Lifetime
- 1989-11-16 DK DK198905747A patent/DK175437B1/da not_active IP Right Cessation
- 1989-11-16 JP JP1298755A patent/JP2895116B2/ja not_active Expired - Fee Related
- 1989-11-17 BR BR898905826A patent/BR8905826A/pt unknown
Also Published As
Publication number | Publication date |
---|---|
JPH02180264A (ja) | 1990-07-13 |
DE68925674T2 (de) | 1996-07-04 |
AU4472189A (en) | 1990-05-24 |
EP0369788A2 (de) | 1990-05-23 |
ZA898694B (en) | 1990-08-29 |
US4891253A (en) | 1990-01-02 |
DK175437B1 (da) | 2004-10-18 |
DE68925674D1 (de) | 1996-03-28 |
IE71045B1 (en) | 1997-01-15 |
DK574789A (da) | 1990-05-18 |
BR8905826A (pt) | 1990-06-12 |
AU615808B2 (en) | 1991-10-10 |
CA1313348C (en) | 1993-02-02 |
EP0369788A3 (en) | 1990-09-26 |
DK574789D0 (da) | 1989-11-16 |
IE893667L (en) | 1990-05-17 |
JP2895116B2 (ja) | 1999-05-24 |
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